dirty fishing

dirty fishing
bycatch (fishes caught incidental to the target species; also called incidental catch or accidental catch. These fishes are usually of lesser value than the target species, and are often discarded. Some bycatch species are of commercial value and are retained for sale. The bycatch often consists of the juveniles of commercial species, and their loss has a deleterious impact on the overall yield obtained from a certain area. In a commercial fishery there are economic discards (fish thrown away for economic reasons, e.g. too small, damaged, not enough commercially value, etc.) and regulatory discards (fish thrown away because of the regulations as to size or species allowed to the fishery). Fish released alive under catch-and-release management programmes are not considered as bycatch. Also spelled by-catch)

Dictionary of ichthyology. 2009.

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